BUSY BOLTERS Are you one?  The Shop Area
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Jul 21st, 2025 | | | | Joined: Apr 2008 Posts: 643 'Bolter | | 'Bolter Joined: Apr 2008 Posts: 643 | Ordered a TMC carb for my 235 L6.suppose to fit.At local parts house.Never heard of it.Got tired of fighting that Rochester on it.Is this a decent carb? | | | | | Joined: Oct 2006 Posts: 1,847 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 1,847 | | | | | | Joined: May 2005 Posts: 487 'Bolter | | 'Bolter Joined: May 2005 Posts: 487 | I expect TMC is the initials for TOMCO, the carb rebuilder that O'Reilly sells. A TMC 1-06 is a Carter YF for a 235. A TMC 1-12 is a Rochester B for a 235. So, if the OP ordered a 1-12, he's setting himself up for a disappointment. regards, Leon | | | | | Joined: Apr 2008 Posts: 643 'Bolter | | 'Bolter Joined: Apr 2008 Posts: 643 | so i want the tmc 1-06 right?then it should resolve my issues about the carb,huh? | | | | | Joined: Nov 2002 Posts: 2,715 Carburetion specialist | | Carburetion specialist Joined: Nov 2002 Posts: 2,715 | One major problem with buying a rebuilt carb through a parts house is grouping. The rebuilder groups many different original carburetors together, and then builds to his own specifications. Then the rebuilder assigns his own part number to the new specification, and provides an interchange to his specification.
Sometimes the groupings are relatively decent. Sometimes they are not.
If the OP wants a Carter, then here is a suggestion: take a look through the archives on this forum. I have listed each of the Carter YF carbs that work on various Chevrolet 6 cylinder engines.
Find the specific carb (ebay is one source); obtain a rebuilding kit, and rebuild the carb yourself. It is not rocket science.
Jon.
Good carburetion is fuelish hot airThe most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes!The Carburetor Shop | | | | | Joined: Apr 2008 Posts: 643 'Bolter | | 'Bolter Joined: Apr 2008 Posts: 643 | I have rebuilt several rochester carbs.All with varying degrees of success.That is why I chose to get one that is remanufactured.Can only hope that the person who rebuilt the particular carb has more knowledge&experience than what I do-(just going by the vague directions included in kit)when it comes to carburetors.Or you would think that they would know,at least,what/how it should be rebuilt.
Just my 2cents-
Danny
1958 GMC stepside GMC 302 six cylinder 3 speed OD trans
| | | | | Joined: Apr 2008 Posts: 643 'Bolter | | 'Bolter Joined: Apr 2008 Posts: 643 | what are the model #'s of carter yf carbs that fit a 235engine(car)?What about a gmc270truck?
thanks | | | | | Joined: Jul 2006 Posts: 190 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2006 Posts: 190 | | | | | | Joined: Apr 2008 Posts: 643 'Bolter | | 'Bolter Joined: Apr 2008 Posts: 643 | --guess i need to call them --
Danny
1958 GMC stepside GMC 302 six cylinder 3 speed OD trans
| | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | I was told Tomco went out of business. If TMC is truly Tomco, avoid them like the plague. I have 2 Tomco reman Carters, boht supposedly for a 235 Chevrolet w/manual choke. Turned out one was actually a FORD (!!!) YF, which is jetted way too rich for use on a Chevy.
Personally, I would suggest combing the local salvage yards, find an original carb, and rebuild it yourself. That's what i ended up doing, using IH sourced Holleys that I rebuilt and matched up myself, couldn't be happier with the results.
Bill Burmeister
| | | | | Joined: Apr 2008 Posts: 643 'Bolter | | 'Bolter Joined: Apr 2008 Posts: 643 | Hey!now thats an idea that I didnt think about.I wonder if there is one close by in Tx.I know alot of places "crushed"the older cars/trucks around here-
Danny
1958 GMC stepside GMC 302 six cylinder 3 speed OD trans
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